| article html file updated | 19 August 2026 07:34 CEST | Update | https://www.mdpi.com/2304-6732/8/4/121 |
| article html file updated | 2 September 2025 03:36 CEST | Update | N/A |
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| article html file updated | 13 April 2021 10:14 CEST | Original file | N/A |
| article pdf uploaded. | 13 April 2021 10:12 CEST | Version of Record | https://www.mdpi.com/2304-6732/8/4/121/pdf |
| article xml uploaded. | 13 April 2021 10:12 CEST | Update | https://www.mdpi.com/2304-6732/8/4/121/xml |
| article xml file uploaded | 13 April 2021 10:12 CEST | Original file | N/A |
